go-steam (Improved Fork)

A modernized and bug-fixed fork of go-steam with improvements ported from SteamKit.

🚀 Key Improvements

• ✅ Fixed Steam Guard authentication - Works with modern Steam email verification
• ✅ Enhanced error handling - SteamKit-style error analysis and rate limiting
• ✅ Nil pointer fixes - Resolved critical crashes in authentication flow
• ✅ GitHub-style CLI tool - Easy testing and debugging interface
• ✅ Comprehensive testing framework - Automated validation of Steam protocol features

📊 Feature Status

Feature	Status	Tested	Notes
Authentication
Basic Login	✅ Working	✅ Yes	Username/password authentication
Steam Guard (Email)	✅ Working	✅ Yes	Email verification code support
Steam Guard (Mobile)	❌ Not Implemented	❌ No	Requires mobile authenticator support
Rate Limiting Protection	✅ Working	✅ Yes	Prevents "too many retries" errors
Session Persistence	✅ Working	✅ Yes	Maintains auth between CLI commands
Social Features
Friends List	✅ Working	✅ Yes	Retrieve and display friends
Friend Requests (by username)	⚠️ Partial	❌ Limited	Sends requests, acceptance issues
Friend Requests (by friend code)	⚠️ Partial	❌ Limited	Protocol may need updates
Friend Removal	✅ Working	❌ No	Implementation exists, untested
Messaging
Send Messages	✅ Working	❌ No	Requires friends to test
Receive Messages	✅ Working	❌ No	Event handlers implemented
Group Chat	✅ Working	❌ No	Basic support exists
Trading
Trade Offers	❓ Unknown	❌ No	Legacy implementation, needs testing
Inventory	❓ Unknown	❌ No	Legacy implementation, needs testing
Protocol
Connection	✅ Working	✅ Yes	Stable Steam server connection
Heartbeat	✅ Working	✅ Yes	Maintains connection
Event Handling	✅ Working	✅ Yes	Callbacks and event system
Protobuf Messages	✅ Working	✅ Yes	Modern Steam protocol support

🔧 SteamKit Improvements Ported

Improvement	Original Issue	Status	Implementation
Authentication Error Handling	Crashes on auth failures	✅ Fixed	Enhanced error analysis with detailed explanations
Rate Limiting Protection	"Too many retries" blocks	✅ Fixed	Automatic cooldown periods and attempt tracking
Nil Pointer Safety	Segfaults in auth flow	✅ Fixed	Null checks for optional protobuf fields
Steam Guard Flow	Email verification broken	✅ Fixed	Proper code submission and retry logic
Session Management	Auth state not persistent	✅ Fixed	JSON-based session storage
Protocol Version Updates	Outdated message types	⚠️ Partial	Some updates applied, more needed

🛠 Testing Framework

CLI Tool (cmd/steam-cli/)

# Authentication
./steam auth login <username> <password>
./steam auth code <CODE>
./steam auth status

# Social features  
./steam friends list
./steam friends add <username_or_code>
./steam msg <steam_id> <message>

# Utilities
./steam status
./steam auth clear-rate-limit  # For testing

Test Suite (testing/)

# Run comprehensive tests
go run cmd/test-runner/enhanced_main.go --username <user> --password <pass> --enhanced

# Interactive testing
go run cmd/test-runner/interactive_main.go --username <user> --password <pass>

📋 Known Issues

Issue	Impact	Workaround	Priority
Friend requests don't appear	Social features limited	Add friends manually in Steam client	Medium
New account restrictions	Testing limitations	Use established Steam accounts	Low
Mobile Guard not supported	Modern 2FA broken	Use email-based Steam Guard	High
Protocol version gaps	Some features may break	Continue porting SteamKit updates	Medium

🧪 Testing Status

✅ Thoroughly Tested

• Basic authentication flow
• Steam Guard email verification
• Rate limiting and error handling
• Session persistence
• Connection stability
• Friends list retrieval

⚠️ Partially Tested

• Friend request sending (protocol works, acceptance issues)
• Event handling system (basic events confirmed)

❌ Not Yet Tested

• Message sending/receiving (requires mutual friends)
• Group chat functionality
• Trading and inventory features
• Advanced social features

🔄 Ongoing Work

1. Protocol Updates - Continue porting SteamKit improvements
2. Friend Request Debugging - Investigate acceptance issues
3. Mobile Guard Support - Implement TOTP/mobile authenticator
4. Message Testing - Establish mutual friends for testing
5. Matrix Bridge Development - Use this as foundation

🤝 Original Credits

• Original go-steam: Philipp15b/go-steam
• Protocol Reference: SteamRE/SteamKit
• Steam Protocol Documentation: SteamDB and SteamRE

📝 License

Inherits the license from the original go-steam project (New BSD License).

🚀 Usage for Matrix Bridge

This fork is specifically maintained for Matrix bridge development. The enhanced authentication and error handling make it suitable for production use in bridge applications.

Example Integration

import "github.com/yourusername/go-steam-fork"

client := steam.NewClient()
// Enhanced error handling and rate limiting built-in
client.Connect()

📞 Support

For issues specific to this fork's improvements, please file issues in this repository. For general go-steam questions, refer to the original project.